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Chapter 15 Firewall
LTE3316-M604 User’s Guide
112
Figure 65 Configuration > Security > Firewall > Servicesl
The following table describes the labels in this screen.
Table 46 Configuration > Security > Firewall > Services
LABEL DESCRIPTION
ICMP Internet Control Message Protocol is a message control and error-reporting protocol between
a host server and a gateway to the Internet. ICMP uses Internet Protocol (IP) datagrams, but
the messages are processed by the TCP/IP software and directly apparent to the application
user.
Respond to Ping
on
The LTE will not respond to any incoming Ping requests when Disable is selected. Select LAN to
reply to incoming LAN Ping requests. Select WAN to reply to incoming WAN Ping requests.
Otherwise select LAN&WAN to reply to all incoming LAN and WAN Ping requests.
Apply Click Apply to save the settings.
WAN Stealth Mode
Enable WAN
Stealth Mode
Select this check box to silently discard the matched packets without sending a TCP reset
packet or an ICMP destination-unreachable message to the sender.
Apply Click Apply to save the settings.
Enable Firewall Rule
Enable Firewall
Rule
Select this check box to activate the firewall rules that you define (see Add Firewall Rule
below).
Apply Click Apply to save the settings.
Black List/ White List
Black List / White
List
Select Allow those match the following rules to allow communication only if traffic matches
the firewall rules.
Select Deny those match the following rules to deny communication only if traffic matches the
firewall rules.
Apply Click Apply to save your settings.
Add Firewall Rule
Service Name Enter a name that identifies or describes the firewall rule.
MAC Address Enter the MAC address of the computer for which the firewall rule applies.
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